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Tag: spring dead spot

Photo 1. Conetainers were placed into a freeze chamber with 10 randomly placed thermocouple sensors inserted 1 inch into the potting medium. Ice chips are in all of the conetainers to prevent supercooling and induce freezing.

A look at the research projects we highlighted this year in Golfdom

December 15, 2022 By
A year in review: Mike Kenna takes a look back at all of the research projects we highlighted in 2022, from freeze-tolerant bremudagrass to water research. ...

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This superintendent assumed this damaged bunker edge was from drought conditions, but upon closer examination, the damage was the result of bluegrass billbug larvae. (Photo: David Sheltar, Ph.D.)

Turf Pest of the Month: Don’t be fooled by billbug damage

November 11, 2022 By
David Shetlar, Ph.D., entomology professor emeritus, shares the importance of knowing the difference between spring dead spot and billbug damage. ...

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Ophiosphaerella spp. distribution in the Mid-Atlantic. Species were determined using real-time PCR, and regions are color-coded: Red=VA Mountains; Blue=VA Piedmont; Orange=VA Coastal Plain; Green=DE, MD, and NC. (Graphic courtesy of Wendell Hutchens)

How bermudagrass recovers from spring dead spot

March 16, 2022 By , and
Hybrid bermudagrass (Cynodon dactylon × C. transvaalensis) is one of the most desirable turfgrasses for golf courses in the Transition Zone because of its aggressive growth habit, traffic tolerance, uniformity and color (5,7). Spring dead spot (SDS), caused by Ophiosphaerella ...

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Certain fungicides are more efficacious than others against SDS and that you should select a fungicide SDS based on the Ophiosphaerella spp. population present. (Graph courtesy of Wendell Hutchens, Jordan Booth, Kevin Hensler and David McCall, Ph.D.)

Choose the best fungicide spring dead spot species

March 16, 2022 By , , and
Learn more about the two most common fungal species that cause the detrimental bermudagrass disease spring dead spot in the Transition Zone of the U.S. ...

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While spring dead spot symptoms show up after green-up, key control happens in the fall. (Photo: Nathan Walker)

Experts’ Insights: Start off spring on track

March 4, 2021 By
Experts share how you can help give your turf a leg up during green-up when it comes to spring dead spot on bermudagrass. ...

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Colonization of a spring dead spot susceptible bermudagrass and cortical necrosis by Ophiosphaerella korrae (left), a tolerant bermudagrass (center) exhibiting vascular colonization by O. korrae and no necrosis and O. korrae colonization of a grass which does not produce disease (right). (Photo: Francisco Flores)

A new tool to ID spring dead spot

February 3, 2021 By
Researchers from Ecuador and Oklahoma State University developed a molecular assay to ID three fungal species in the spring dead spot genus accurately. ...

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